<template>
  <div class="list" ref="wrapper">
    <div>
      <div class="area">
        <div class="title border-topbottom">当前城市</div>
        <div class="button-list">
          <div class="button-wrapper">
            <div class="button">{{this.$store.state.city}}</div>
          </div>
        </div>
      </div>
      <div class="area">
        <div class="title border-topbottom">热门城市</div>
        <div class="button-list">
          <div
            class="button-wrapper"
            v-for="item of hotCities"
            :key="item.id"
            @click="handleCityClick(item.name)"
          >
            <div class="button">{{item.name}}</div>
          </div>
        </div>
      </div>
      <div
        class="area"
        v-for="(item, key) of cities"
        :key="key"
        :ref="key"
      >
        <div class="title border-topbottom">{{key}}</div>
        <div class="item-list">
          <div
            class="item border-bottom"
            v-for="itemInfo of item"
            :key="itemInfo.id"
            @click="handleCityClick(itemInfo.name)"
          >{{itemInfo.name}}</div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import Bscroll from 'better-scroll'
export default {
  name: 'CityList',
  props: {
    hotCities: Array,
    cities: Object,
    letter: String
  },
  watch: {
    letter () {
      const element = this.$refs[this.letter][0]
      this.scroll.scrollToElement(element)
    }
  },
  methods: {
    handleCityClick (city) {
      // this.$store.dispatch('cityChange', city)
      this.$store.commit('cityChange', city)
      this.$router.push('/')
    }
  },
  mounted () {
    this.scroll = new Bscroll(this.$refs.wrapper)
  }
}
</script>
<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  @import '~styles/mixins.styl'
  .border-topbottom
    &:before
      border-color #cccccc
    &:after
      border-color #cccccc
  .border-bottom
    &:before
      border-color #cccccc
  .list
    overflow hidden
    position absolute
    top 1.58rem
    left 0
    right 0
    bottom 0
    .area
      .title
        height .72rem
        line-height .72rem
        background-color #eeeeee
        padding-left .2rem
        font-size .24rem
      .button-list
        overflow hidden
        padding .1rem .6rem .1rem .1rem
        .button-wrapper
          float left
          width 33.33%
          .button
            margin .1rem
            text-align center
            border .02rem solid #ccc
            padding .1rem 0
            border-radius .06rem
            ellipsis()
      .item-list
        line-height .76rem
        .item
          padding-left .2rem
</style>
